Soak the rice in hot water, whil you prepare the other ingredients
Cut the cucumber in half lengthwise. Using a spoon, scoop out the seeds from each half.
Cut the cucumber half lengthwise again, creating quarters, and slice into 2 cm pieces.
Cook on low heat with approximately 4 tablespoons of water.
Add the cinnamon, curry powder, turmeric, pandan leaves, curry leaves, chilli,and salt.
Using a hand blender or food processor, purée the soaked rice, desiccated coconut, onion, garlic, mustard, pepper, and coconut milk until smooth.
Once the cucumbers are fork-tender, add the coconut-mustard mixture. Stir well and simmer for an additional 5 minutes.